• COMPLETE RING STRETCHING KIT – Includes a Rathburn Ring Stretcher and a lightweight rawhide mallet, providing everything needed to resize and shape rings accurately without damaging the metal.

• 6-STEP TAPERED MANDREL FOR PRECISE SIZING – Features a 5" long tapered mandrel that narrows to 0.5" at the tip, allowing controlled ring stretching in increments of up to 0.25" per step for consistent, even resizing.

• UNIVERSAL PRESSURE SLOT SYSTEM – Built-in 8-slot pressure design applies uniform force across rings of different widths and shapes, helping maintain the ring’s original roundness and integrity during resizing.

• HEAVY-DUTY STEEL WITH STABLE NYLON BASE – Mandrels are constructed from durable chrome vanadium steel for long-lasting performance, while the 1.25" diameter nylon base (6.5" length) keeps the stretcher securely in place during use.

• NON-MARRING RAW HIDE MALLET INCLUDED – 3.7 oz double-sided rawhide mallet delivers gentle striking power without scratching or denting precious metals; features 1-1/4" striking faces and a smooth 9-1/4" finished wooden handle for comfort and control.

DESCRIPTION

This Rathburn Ring Stretcher & Rawhide Mallet Kit is designed for jewelers, repair professionals, and hobbyists who need a reliable solution for resizing and shaping rings without causing damage. The ring stretcher features a precision-machined 6-step tapered mandrel that allows gradual, controlled expansion, while the universal 8-slot pressure system ensures even stretching across rings of varying widths and profiles.

Constructed from chrome vanadium steel, the mandrels are built to withstand repeated use, and the sturdy nylon base provides stability during operation. The included rawhide mallet delivers non-marring force, making it ideal for working with gold, silver, brass, and other soft metals.

Whether resizing rings, correcting shape, or performing delicate adjustments, this kit offers professional-grade performance in a compact, easy-to-use setup.